May weather forecastUniversity Park, IL
May
Weather in May
The last month of the spring, May, is a pleasant month in University Park, Illinois, with an average temperature varying between 69.8°F (21°C) and 53.1°F (11.7°C).Temperature
The average high-temperature increases in May, moving from a mild 57.4°F (14.1°C) in April to a pleasant 69.8°F (21°C). University Park experiences a nighttime temperature average of 53.1°F (11.7°C) during May.Humidity
In May, the average relative humidity is 76%.Rainfall
The month with the most rainfall is May, when the rain falls for 19.6 days and typically aggregates up to 4.53" (115mm) of precipitation.Snowfall
In University Park, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 32min.On the first day of May, sunrise is at 5:46 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:17 pm CDT.
Sunshine
The average sunshine in May is 8.6h.UV index
In University Park, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 5 in May interprets into the following advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. To guard against the harmful effects of the Sun, minimize exposure during midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
University Park, IL
- Average high temperature in May: 69.8°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in May: 53.1°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in May
University Park, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
University Park, IL
- Average wind speed in May: 8.3mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in May
University Park, IL
- Average humidity in May: 76%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in May
University Park, IL
- Average rainfall in May: 4.53"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is November (1.81").
Average rainfall days in May
University Park, IL
- Average rainfall days in May: 19.6 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in May
University Park, IL
- Average snowfall in May: 0"
The month with the highest snowfall is February (5.35").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
University Park, IL
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
University Park, IL
- Average daylight in May: 14h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 36min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in May
University Park, IL
- Average sunshine days in May: 8.9 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in May
University Park, IL
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
University Park, IL
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
University Park, IL
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
